<template>
  <el-dialog
    title="新增员工"
    :visible="showDialog"
    @close="closeFn"
  >
    <!-- 表单 -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input
          v-model="formData.username"
          style="width: 50%"
          placeholder="请输入姓名"
        />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input
          v-model="formData.mobile"
          style="width: 50%"
          placeholder="请输入手机号"
        />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker
          v-model="formData.timeOfEntry"
          style="width: 50%"
          placeholder="请选择入职时间"
        />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select
          v-model="formData.formOfEmployment"
          style="width: 50%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in hireTypeList"
            :key="item.id"
            :value="item.id"
            :label="item.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input
          v-model="formData.workNumber"
          style="width: 50%"
          placeholder="请输入工号"
        />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input
          v-model="formData.departmentName"
          style="width: 50%"
          placeholder="请选择部门"
          @focus="departmentNameFocus"
        />
        <div v-if="showTree" class="tree-box">
          <el-tree
            :data="treeData"
            :props="{ label: 'name' }"
            @node-click="selectNode"
          />
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker
          v-model="formData.correctionTime"
          style="width: 50%"
          placeholder="请选择转正时间"
        />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-button @click="closeFn">取消</el-button>
      <el-button type="primary" @click="submitAdd">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
// 引入 枚举数据
import EmployeeEnum from '@/api/constant/employees'
// 引入api方法
import { getDepartments } from '@/api/departments'
// 引入树形结构转换方法
import transTree from '@/utils/transTree'
// 引入添加员工接口
import { addEmployee } from '@/api/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 2, max: 4, message: '用户姓名为2-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ],
        correctionTime: [
          { required: true, message: '请选择转正时间', trigger: ['blur', 'change'] }
        ]
      },
      hireTypeList: EmployeeEnum.hireType, // 枚举数据
      treeData: [], // 定义数组接收树形数据
      showTree: false // 选择部门
    }
  },
  methods: {
    // 关闭弹窗出发的事件
    closeFn() {
      // 1. 父子通信,通知父组件关闭弹出层
      this.$emit('close-dialog')

      // 2. 清除表单数据
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }

      // 3. 清除校验效果
      this.$refs.addForm.resetFields()
    },
    // 点击input触发的事件
    async departmentNameFocus() {
      // 调用接口获取数据
      const data = await getDepartments()

      // depts是数组 但不是树形, 需要转换成属性结构, 才能被 el-tree 展示
      this.treeData = transTree(data.depts)
      this.showTree = true
    },
    // 选择部门触发的事件
    selectNode(nodeData) {
      this.showTree = true
      // 1. 该还有子节点, 就是展开操作, 不选中
      if (nodeData.children && nodeData.children.length > 0) return

      // 2. 获取对应的部门赋值给本地表单
      this.formData.departmentName = nodeData.name

      this.showTree = false
    },
    // 用户点击确定添加员工
    submitAdd() {
      this.$refs.addForm.validate(async flag => {
        // 1. 兜底校验不满足返回
        if (!flag) return

        // 2. 调用接口添加传递参数
        await addEmployee(this.formData) // 调用新增接口

        // 通知父组件更新数据
        this.$emit('update-list')
        // 3. 给出提示
        this.$message.success('添加成功')

        // 4. 关闭弹出层
        this.closeFn()
      })
    }

  }
}
</script>
